# Collaborative sparse classification for aero-engine’s gear hub crack diagnosis

> Research article (Mechanical Systems and Signal Processing, 2019) · cited 25× · AI/ML

**Wikidata**: [openalex:W2982059695](https://www.wikidata.org/wiki/openalex:W2982059695)  
**Source**: https://4ort.xyz/entity/collaborative-sparse-classification-for-aero-engines-gear-hub-crack-diagnosis